화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2021년 가을 (10/20 ~ 10/22, 경주컨벤션센터)
권호 46권 2호
발표분야 고분자 가공/복합재료
제목 Fluorescein isothiocyanate/poly-ionic liquid (FITC-PIL): A viologen-free electrochromic material with promising applications
초록 Organo-electrochromic materials hold promising applications in the next generation of flexible displays and smart windows. Currently, viologen/poly-ionic liquid composites dominate research in this field. In this study we investigate fluorescein isothiocyanate/poly-ionic liquid composites (FITC-PIL) as a viologen-free alternative. To this end we evaluate the effect of (i) different silane protection groups and (ii) degree of protection on the electrochromic properties of FITC-PIL. Our results show that FITC-PIL displays multiple colour regimes depending on (i) and (ii). Additionally, it is stable after long cycles. The chromic mechanism most likely originates from ring-opening or/and deprotection reactions under applied potential. A model application of FITC-PIL for smart windows shows results comparable to its viologen counterpart.
저자 Richard Appiah Ntiamoah1, 김헌2
소속 1Myongji Univ., 2명지대
키워드 Fluorescein isothiocyanate; poly-ionic liquid; Organo-electrochromism; Flexible displays; Smart windows; Silane molecules
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